Review of photocathodes for electron beam sources in particle accelerators

J Schaber, R Xiang, N Gaponik - Journal of Materials Chemistry C, 2023 - pubs.rsc.org
This paper compares different photocathodes that are applicable for electron injector
systems and summarizes the development in cathode technology in the last years. The …

C Demonstration Research and Development Plan

EA Nanni, M Breidenbach, C Vernieri… - arXiv preprint arXiv …, 2022 - arxiv.org
C $^ 3$ is an opportunity to realize an e $^+ $ e $^-$ collider for the study of the Higgs
boson at $\sqrt {s}= 250$ GeV, with a well defined upgrade path to 550 GeV while staying on …

Status and future plans for C3 R&D

EA Nanni, M Breidenbach, Z Li, C Vernieri… - Journal of …, 2023 - iopscience.iop.org
C 3 is an opportunity to realize an e+ e-collider for the study of the Higgs boson at√ s= 250
GeV, with a well defined upgrade path to 550 GeV while staying on the same short facility …

Measurement of spin-polarized photoemission from wurtzite and zinc blende gallium nitride photocathodes

SJ Levenson, MB Andorf, BD Dickensheets… - Applied Physics …, 2024 - pubs.aip.org
Spin-polarized photoemission from wurtzite and zinc blende gallium nitride (GaN)
photocathodes has been observed and measured. The p-doped GaN photocathodes were …

[HTML][HTML] High quantum efficiency GaAs photocathodes activated with Cs, O2, and Te

J Biswas, E Wang, M Gaowei, W Liu, O Rahman… - AIP Advances, 2021 - pubs.aip.org
GaAs photocathodes are the primary choice for generating spin-polarized electron beam
with high brightness, high polarization, and fast polarization reversal. However, it suffers …

[HTML][HTML] Improved lifetime of a high spin polarization superlattice photocathode

JK Bae, A Galdi, L Cultrera, F Ikponmwen… - Journal of Applied …, 2020 - pubs.aip.org
Negative Electron Affinity (NEA) activated surfaces are required to extract highly spin-
polarized electron beams from GaAs-based photocathodes, but they suffer extreme …

Charge lifetime improvement of the Continuous Electron Beam Accelerator Facility photogun with a biased anode

JT Yoskowitz, GA Krafft, G Palacios-Serrano… - … Review Accelerators and …, 2024 - APS
GaAs photocathodes in dc high-voltage photoguns are highly susceptible to ion back-
bombardment, which reduces the photocathode quantum efficiency and limits the useful …

Wigner wave packets: Transmission, reflection, and tunneling

KL Jensen, JL Lebowitz, JM Riga, DA Shiffler… - Physical Review B, 2021 - APS
A numerical solution to the time evolution equation of the Wigner distribution function (WDF)
with an accuracy necessary to simulate the passage of a wave packet past a barrier is …

[HTML][HTML] Operation of Cs–Sb–O activated GaAs in a high voltage DC electron gun at high average current

JK Bae, M Andorf, A Bartnik, A Galdi, L Cultrera… - AIP Advances, 2022 - pubs.aip.org
Negative Electron Affinity (NEA) activated GaAs photocathodes are the most popular option
for generating a high current (⁠> 1 mA) spin-polarized electron beam. Despite its popularity …

HERACLES: A high-voltage DC test beamline for high average current photocathodes

M Andorf, JK Bae, A Bartnik, L Cultrera… - Nuclear Instruments and …, 2023 - Elsevier
We present commissioning results of the High ElectRon Average Current for Lifetime
ExperimentS (HERACLES) beamline at Cornell University. 10 mA average beam current at …